The temperature on July 21, 1877 was about 19.3 °C. The air pressure was 5 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 61%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
January 8 » Crazy Horse and his warriors fight their last battle against the United States Cavalry at Wolf Mountain, Montana Territory.
February 20 » Tchaikovsky's ballet Swan Lake receives its premiere at the Bolshoi Theatre in Moscow.
March 2 » Just two days before inauguration, the U.S. Congress declares Rutherford B. Hayes the winner of the 1876 U.S. presidential election even though Samuel J. Tilden had won the popular vote.
September 24 » The Battle of Shiroyama is a decisive victory of the Imperial Japanese Army over the Satsuma Rebellion.
October 22 » The Blantyre mining disaster in Scotland kills 207 miners.
November 29 » Thomas Edison demonstrates his phonograph for the first time.
Day of marriage July 7, 1900
The temperature on July 7, 1900 was about 13.6 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 82%. Source: KNMI
January 6 » Second Boer War: Having already besieged the fortress at Ladysmith, Boer forces attack it, but are driven back by British defenders.
January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
July 19 » The first line of the Paris Métro opens for operation.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
Day of death November 6, 1950
The temperature on November 6, 1950 was between 3.5 °C and 7.1 °C and averaged 5.4 °C. There was 0.2 mm of rain during 0.3 hours. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
When copying data from this family tree, please include a reference to the origin: Gert Pieters, "Family tree Koops", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koops/I847.php : accessed January 7, 2026), "Aaltien de Roo (1877-1950)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.